Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
3.64
-0.05 (-1.36%)
At close: Sep 12, 2025, 3:59 PM
3.65
0.27%
After-hours: Sep 12, 2025, 07:55 PM EDT
ALT Option Overview
Overview for all option chains of ALT. As of September 13, 2025, ALT options have an IV of 386.94% and an IV rank of 187.2%. The volume is 2,458 contracts, which is 65.22% of average daily volume of 3,769 contracts. The volume put-call ratio is 0.09, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
386.94%IV Rank
187.2%Historical Volatility
46.82%IV Low
96.31% on Oct 18, 2024IV High
251.56% on Sep 11, 2025Open Interest (OI)
Today's Open Interest
202,006Put-Call Ratio
0.19Put Open Interest
32,173Call Open Interest
169,833Open Interest Avg (30-day)
184,426Today vs Open Interest Avg (30-day)
109.53%Option Volume
Today's Volume
2,458Put-Call Ratio
0.09Put Volume
202Call Volume
2,256Volume Avg (30-day)
3,769Today vs Volume Avg (30-day)
65.22%Option Chain Statistics
This table provides a comprehensive overview of all ALT options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Sep 19, 2025 | 133 | 86 | 0.65 | 51,020 | 4,157 | 0.08 | 213.41% | 4 |
| Sep 26, 2025 | 70 | 5 | 0.07 | 2,120 | 436 | 0.21 | 424.12% | 3.5 |
| Oct 03, 2025 | 105 | 0 | 0 | 733 | 91 | 0.12 | 391.99% | 3.5 |
| Oct 10, 2025 | 1 | 0 | 0 | 416 | 87 | 0.21 | 381.89% | 3.5 |
| Oct 17, 2025 | 1,178 | 9 | 0.01 | 3,092 | 559 | 0.18 | 114.55% | 4 |
| Oct 24, 2025 | 1 | 1 | 1 | 26 | 65 | 2.5 | 328.16% | 4.5 |
| Oct 31, 2025 | 2 | 0 | 0 | 0 | 1 | 0 | 289.87% | 3.5 |
| Dec 19, 2025 | 435 | 82 | 0.19 | 13,074 | 4,386 | 0.34 | 129.4% | 4 |
| Jan 16, 2026 | 205 | 15 | 0.07 | 72,901 | 19,134 | 0.26 | 142.22% | 5 |
| Mar 20, 2026 | 100 | 0 | 0 | 5,647 | 232 | 0.04 | 116.33% | 4 |
| Jan 15, 2027 | 26 | 4 | 0.15 | 20,804 | 3,025 | 0.15 | 110.52% | 4 |